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Vulnerabilities

Vulnerability · CVE-2022-49854

In the Linux kernel, the following vulnerability has been resolved: mctp: Fix an error handling path in mctp_init() If mctp_neigh_init() return error, the routes resources should b

Published May 1, 2025 · catalog updated May 11, 2026 · Linux Linux

Check this week

CVE-2022-49854 is not in CISA KEV. FIRST estimates a 20.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
20.00%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 4d8b9319282ae84f5a17b28d8b5b5d1e7e537312 <49d8a6e24a3496d86e8d8ae748375df984fb6d6f

In the Linux kernel, the following vulnerability has been resolved: mctp: Fix an error handling path in mctp_init() If mctp_neigh_init() return error, the routes resources should be released in the error handling path. Otherwise some resources leak.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux 4d8b9319282ae84f5a17b28d8b5b5d1e7e537312 <49d8a6e24a3496d86e8d8ae748375df984fb6d6f4d8b9319282ae84f5a17b28d8b5b5d1e7e537312 <49d8a6e24a3496d86e8d8ae748375df984fb6d6f

How to fix CVE-2022-49854

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-49854 is not in CISA KEV. FIRST estimates a 20.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Which versions are affected?

Compare what you have installed with Linux Linux 4d8b9319282ae84f5a17b28d8b5b5d1e7e537312 <49d8a6e24a3496d86e8d8ae748375df984fb6d6f 4d8b9319282ae84f5a17b28d8b5b5d1e7e537312 <49d8a6e24a3496d86e8d8ae748375df984fb6d6f. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 20.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 1, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: mctp: Fix an error handling path in mctp_init() If mctp_neigh_init() return error, the routes resources should be released in the error handling path. Otherwise some resources leak.

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: mctp: Fix an error handling path in mctp_init() If mctp_neigh_init() return error, the routes resources should be released in the error handling path. Otherwise some resources leak.

Sources

  • CVE.orgVulnerability recordCVE-2022-49854

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-12918

    In the Linux kernel, the following vulnerability has been resolved: mctp: Fix an error handling path in mctp_init() If mctp_neigh_init() return error, the routes resources should be released in the error handling path. Otherwise some resources leak.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.